H. Hassaneen, H. M. Hassaneen, Y. S. Mohammed
Mar 1, 2011
Citations
0
Influential Citations
18
Citations
Journal
Zeitschrift für Naturforschung B
Abstract
3-Acetyl[1,2,4]triazolo[3,4-a]isoquinolines were prepared using chitosan as a catalyst. These compounds were used to prepare a novel series of enaminones 5, and their reactions with hydrazonoyl halides 1 and 11 gave triazoloisoquinolines 8 and 13, respectively, with a carbonylpyrazole side chain. Hydrazinolysis of 8 and 13 gave the pyrazolopyridazines 10 and pyrazolopyridazinones 14. Reaction of 5 with hydroximoyl halides 15 led to triazoloisoquinoline 16 with a carbonylisoxazole side chain. Antibacterial effects of compounds 8 and 10 were studied. Graphical Abstract Synthesis, Reactions and Antibacterial Activity of 3-Acetyl[1,2,4]triazolo[3,4-a]isoquinoline Derivatives using Chitosan as Heterogeneous Catalyst under Microwave Irradiation